1200343233040 has 160 divisors (see below), whose sum is σ = 3269093621760. Its totient is φ = 401383890432.

The previous prime is 1200343232987. The next prime is 1200343233071. The reversal of 1200343233040 is 403323430021.

It is a junction number, because it is equal to n+sod(n) for n = 1200343232996 and 1200343233014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4053049 + ... + 4339111.

It is an arithmetic number, because the mean of its divisors is an integer number (20431835136).

Almost surely, 2^{1200343233040} is an apocalyptic number.

1200343233040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200343233040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634546810880).

1200343233040 is an abundant number, since it is smaller than the sum of its proper divisors (2068750388720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200343233040 is a wasteful number, since it uses less digits than its factorization.

1200343233040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286269 (or 286263 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 1200343233040 its reverse (403323430021), we get a palindrome (1603666663061).

The spelling of 1200343233040 in words is "one trillion, two hundred billion, three hundred forty-three million, two hundred thirty-three thousand, forty".